<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
  <input type="text" v-model.lazy="message">
  <input type="number" v-model.number="message">
  <input type="text" v-model.trim="name">
  <h2>{{name}}</h2>
  <h2>{{message}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
  let app = new Vue({
    el:'#app',
    data:{
      message:'123',
      name:'',
    }
  })
</script>
</body>
</html>